9 AC Installation Contractors in Waukegan, IL
Top-Rated AC Installation Contractors in Waukegan
AColeman Heating and Cooling
“Seven of eight reviewers award 5-star ratings, praising same-day service capability, diagnostic accuracy, and the owner's hands-on involvement. Emergency…”
Furnace HVAC Service
“All sixteen reviews award five stars, with consistent mentions of punctual arrivals, clear explanations, and first-visit completions. Reviewers repeatedly note…”
All AC Installation Contractors (9 total)
Olson Comfort Services Heating & Cooling
“Twelve reviewers delivering exclusively four and five-star feedback consistently cite technician timeliness…”
Northeast Illinois Service Company
“Eight of eight posted reviews carry five-star ratings, with no sub-four-star feedback present in the dataset.…”
McDonough Mechanical Services, Inc.
“Two detailed reviews offer contrasting perspectives: one 5-star review praises honest assessments and fair…”
Jasso HVAC-R
“Every reviewer awarded five stars with zero negative feedback, producing a perfect aggregate rating. Three of…”
AC Installation Costs in Waukegan
New central AC installation costs in Waukegan, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $168 | $392 | $784 |
Ductless mini-split (single zone) | $2,240 | $5,040 | $8,960 |
Central AC replacement (existing ducts) | $3,920 | $7,280 | $13,440 |
Central AC new install (with ductwork) | $7,840 | $13,440 | $22,400 |
Carrier (residential) | $4,256 | $6,944 | $11,760 |
Trane (residential) | $5,600 | $9,856 | $15,232 |
Lennox (residential) | $3,920 | $7,280 | $13,440 |
Rheem (residential) | $3,584 | $6,160 | $10,080 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in Waukegan, IL: What to Expect
Waukegan's climate presents a sharp contrast. Winter temperatures dip to around 18 F with lake-effect windchill making furnace reliability non-negotiable, while summers push into the mid-80s with enough humidity to make any cooling system work harder. These conditions keep demand steady for both heating and cooling equipment, though heating clearly dominates the annual workload. Nine contractors serve the area, maintaining an average rating of 4.7 across 93 reviews, which speaks to a well-served market where homeowners can find capable hands for AC Installation in Waukegan even during the most punishing weeks of summer.
Costs reflect both system type and installation complexity. A window unit runs $168-$784, while a ductless mini-split configured for a single zone runs $2,240-$8,960. Replacing a central AC system where ducts already exist averages $3,920-$13,440, with final pricing shaped by home layout, equipment efficiency ratings, and the labor involved. Illinois does not issue a statewide HVAC license, so local municipal licensing determines who can legally perform installation work in any given community.
Homeowners reviewing these companies consistently mention response speed and communication. Several note same-day arrivals during extreme heat waves, and reviewers frequently praise technicians who explain issues clearly and stay past the initial repair to confirm everything operates properly before leaving. Competitive pricing appears as a recurring theme across multiple positive reviews, and the highest-rated operations tend to be owner-operated firms where the person selling the job also performs the work.